Tractor hitch



Oct.

1'. G. SCHMEISER I TRAG'T'OR HITCH I Filed Sept. 12. 1925 //V VE N TOR. THEODORE 6. SCI/M47852 I M I ATTOPNEYS.

Patented Oct. 25, 1927.,

' ri inonoim G. soHivrEIsER, or DAvIs, 1rosNIA-,:'assmmaitotosaHi?sesame; J or rmmvronr, CALIFORNIAL v v.

TRACTOR rrrrcrrl Application filed September '12, 1923. a Serial No. 662,209.

This inventionrelates' totractors. When too great a load is imposed upon small four 7 wheel tractors particularly those of the Ford son type,.or when the implement drawn by the tractor engages an unyielding obstruction, the driving mechanism of the machlne causes the front 'end ofthe tractor'to' suddenly swing upwardly about the'rear axle. This is often injurious to. the driver and O damages the tractor.

prevent this upward swinging of the tractor by providing a connection between the draw bar hitch of the tractor and the clutch there- 75 of, whereby the clutch will be automatically disengaged when the front end of the tractor commences to. rise and swing about the rear. axle.

One form which the invention may assume is exemplified in the following descrlptlon' f and illustrated in the accompanying drawings, in which Fig.1 is a side elevation of the four wheel tractor disclosing my invention applied thereto. p I a Fig. 2- is a plan view of the same.

Referring more particularly to the accom. 1'

panying drawings, 10 indicates a standard form of a'small four wheeltracton Thls tractor is provided with. a draw bar h-1tch11 which is connected to the rear of the tractor just below the transmission housing. This hitch comprises apair of pivotal'longltudlnal members 12 and an arcuate bar 14; conber 17 -which is rigidly connected to the tractor frame. -One of the longitudinal members is formed with an extension 18 which extends forwardly to apoint'justbe' low the clutch pedal 19 of the tract-or. A

" tension 18 to the clutch pedal.

' W'hen thetractor is in'operation drawing an unyielding obstruction andprevent forclutch" pedal stationary so that a small the tractor where the clutch will bethrown ger of throwing outfthe clutch.

their rear axle when in operation.

v nected to the rear ends thereof. A draw bar chain connection 20 is provided. This con nection connects the forward end} of the extween said rear ends of said longitudinal members, adrawbar connection slidably en- I an. implement, should the latter meet with curs, the chain connection18 will be placed in tension and will hold the front end ofthe amount of upward "swinging movement of the. frontiend of the tractor will cause disengagement ofthe' clutch. The engine of the tractor'will then be disconnected from the transmission thereof and-consequently further rising of thefron't endv of the trac i tor willbe prevented.- .By taking up links It is the object of thepresent invention to in the chain 20 oradding other links. thereto, the point in the tilting movement of out may be varied; that is to say, by shortening up on the 'chain the clutch 1 will be i 1 thrown out early in the tilting movement of thefrontend of the tractor, whereas by pro viding slack in the chain, the tractor may Y reacha higher point in its tilting movement 3 before'the clutch will bethrown out. In this wayprovisioncan be made for crossing rough and uneven ground without dan- -From the foregoing, it is obvious that very simple means have been provided which will operate automatically to prevent small tractors from swinging upwardlyunduly about 30; Having thus described my invention has now known to me, I wishiit understood that various changes may bem'ade in its con struction without'departing'from the spirit 1 of the invention as defined intheappended S5 claim.

Havingjthusdescribed my invention 'what .I claim-and desire to secure by Letters Pate entis: 4 In combination with atractor, of a yoke [connected with the transmission housing of the tractor at the bottom and the rear thereof, said yoke having downwardly depending portions, a pair of longitudinal :merribers pivoted to said portions for vertical swing- 9 ing movement, the rearends of said longitu- S dinal lmembers beingbent outwardly and J rearwar'dly,v an arcuate bar extending begagedwith said arcuate barfor hitching the rear thereof and extending downward1y,'the

sides of the bail terminating in hooks ension and the clutch pedal of the tractor gageable with said longitudinal member to whereby upward swinging movement of the limit the downward movement of the rear front end of the tractor about the rear axle 10 ends of the latter, one of said longitudinal thereof will be accompanied by disengage- 0 members being formed with aforwardly exment of the clutch.

tending extension, and a fiexible connection Y between the terminating end of saidv exten- THEODORE G; SCHMEISER. 

